I am looking to feed my dog a better diet. He is turning 12 in a couple months (and is a 13lb. Rat Terrier). He is in overall good health, but I recently became concerned about his diet as I've read more reviews. He has been eating those small Pedigree Pouches for senior dogs for years and loves it. But, after researching, I can't help but feel like I'm feeding him the equivalent of "fast food" for each meal. I do cook for both pups occasionally, chicken, rice and veggies, but he will NOT eat dry food. Anyone have any suggestions for a healthy, wet food for a small breed dog that you've had success with?