Thanks all for the tips and advice.
We went to Tractor Supply last night and I think my wife likes the salmon 4Health. She's read a lot of reviews on it; folks talk about how coats look shinier and fuller, and allergies seem better with this food. Our boy is affected quite a bit by what seems to be seasonal allergies. He takes a daily dose of Benadryl and Medrol as prescribed by the vet, but that just barely manages it. Maybe this food will help him out.
I think we'll look to make the dry kibble his primary food, and if he doesn't take to it, maybe use a little bit of ground beef and/or beef stock poured over the top as an enticer to get him to eat it.