Well, Dusk has always been a hard dog to feed. At one point I swear he must have been 10 or 12 pounds under weight. His fur actually started poking up at the top of each vertebra. Not to mention he a lost lot of his muscle weight along with all of the fat. Muscle has to be feed as well.
But he just didn't like any food I put in front of him. And I started to cater to him, and that just made things worst. Last year I finally found a food he likes (TOTW), and he started getting that twice a day with a half a can of Merrick mixed in. He now weighs 85lbs, and he is all muscle.
But I have to stay very strict them him. Dusk likes to naturally fast once a week. He will generally skip at least one meal sometimes two meals. I just pick it up, and switch him to all dry the next feeding so I'm not wasting food. He also was getting fed with two of my females, and that put a little competitiveness in him. But not much, if they push him aside he generally just looks at me real sad and instead of telling them to move away from his bowl.
If you want to feed raw I think that’s great. I am feeding all of my dogs raw now and they absolutely love it. I have to separate Dusk now so he will eat more slowly.
But if your dog has gotten used to you catering and feeding him the good stuff, he might turn back to his picky habits a month or two from now. And the only difference will be that instead of a wasted bag of dog food, you will have a wasted month of chicken quarters.
I just wouldn't expect feeding raw to cure his finicky habits forever.