Aw, you are an angel - and so is he
! Precious little man.
So, are you looking for more canned recommendations or are you wanting to cook for him?
If you can find a canned that works, one thing you could do is add some homecooked meat/food into his meals. But, you want to keep the additions below 10-15% of the overall diet, or else you push the supplement ratios (in the already AAFCO balance dog food) out of balance, which would not be good.
In the past, I think if you called Evangers for a canned food sample, they sent you a whole case.