Oh my! You just opened another 7 pg. thread on the .17 HMR vs. coyotes. I've seen one yote shot with a .17 HMR and he definanitely knew that he had been hit but he had to be finished off with a .223 on a dead run. Everything else you listed will be perfect. I think it is a little overkill for squirrels though. If you hit them anywhere besides the head you might as well not even mess with skinning it. Stay away from the yotes with it. My theory is, why not use a bigger caliber and drop them on the spot?

Good luck out there and welcome to HNI!