The 8 plait rode allows you to put more line in the 22's anchor locker. Some like to petition off the locker from the bunk. I used Sunbella fastened to the top of the anchor locker petition forward of the bunk. I sewed a tube in the top of the sunbrella almost to the top of the anchor locker, and then had dies to clips bolted on one of the through the deck bolts of the bow pulpit railing on each side. This can be easily opened if there is a tangle.
300 of 8 plait and 25 to 50' of 1/4” ACCO ISO G43 (G4)1/4” chain . is what I have used in the PNW, including AK. (ACCO BBB 1/4" may also work, the HT G 4 is preferred. With my larger boats, I carried 400 feet of rope, and 200 feet of chain. There is no problem with chain "rattling on the roller all night long". if an all chain rode is used. First in 5 feet of water you want 56 feet of anchor rode out for the recommended 7:1 scope. The scope is determined not only by the depth of the water, but also by the addition of the bow height off the water. So 5' depth, plus 3' of the C Dory bow off the water, is 8 feet x 7 (recommenced scope) Since you are in the PNW, you have tides from a minimum of 7 feet to over 25 feet in AK, the more tide range the further you go North. For example the tidal range today in Friday Harbor (San Juans) today is over 8 feet. Your 8 x 7 now becomes twice that, or 112' of line out for a proper anchor scope. Yes, I realize that many anchor with less scope.
If you end up on all chain, there should be one or two snubbers to the chain. There should be absolutely no strain or load on the anchor roller. It is easy to put chafing gear around the chain, if for some reason you are rolling enough to cause the slack chain to make noise. If you are rolling that much in an Anchorage, you don't belong there!. The snubbers I use 5/16 3 strand, attached to chain with a chain plate (shackles from the thimbles of the snubbers to the plate which has a slot for the chain to fit into and holes for the shackles.
Chain plates for chain. (Better than chain hooks, which can be used in a pinch.)
There should be load only on the main anchor load at the roller, if the snubbers are at their elastic limit. In thousands of nights at anchor I only have broken one snubber. That was as I was raising the mizen sail on a 62' ketch, and a sudden gust of over 50 knots hit abeam and knocked the 65,000 lb boat rail down in a second. In that case the 1/2" snubber broke, and the 5/8 snubber on the other side of the bow held. (Main anchor rode was 7/8 " 3 strand and 3/8 G4 chain No damage to the boat or injury. A day later I was anchored next to a friend's ketch which was about half my displacement, with no snubber. A series of waves came into the cove, and his chain broke--no snubber. I got a line to him and held on my anchor/chain until he could dive and recover his chain (with a broken link). and anchor.
I put in two more cleats (backed up) outboard for a better fair lead for both anchor snubbers, so less possible chafe for most docking. These are held on the rope rode with rolling hitch or Prusick knots.
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