I would not worry about him not eating the wet food at this point. As long as he is eating the kibble and getting food and clean water the other will work itself out.
I have a cat who will only eat the juice as well. And the other cats finish the rest of he's food for him.
There is a lot of pro's and con's to wet food and everyone has thier opinions. My cats go outside during the day, but the cat door gets closed at night. In order to get them all inside I give them wet food. It works well and even though it is the wet version of thier dry food they still think it is a treat.