That sounds like a good plan. It takes time to wean off formula to wet food. After a few weeks you should be able to give him the kmr in bowl or on a small plate.
He is a cat . . . .Yes, I would for now. He does need to eat, but I am not sure what is causing the fussiness. Let's see how today goes.
Good news.I fed him around 5:30 am & he took a little over 9 mls of formulafixing to feed him again; this time with wet. He nibbled on the soaked a little but not much