Need help from lowered 4door guys

[JonDeere]

Im needing help with wheel fitment, my tahoe is currently 3/3 on 22s im planning to take the 22s off and get some 15" wheels like craigers or weld wheels and dropping it down to a 5/5, what wheel width and tire size can i tuck?
Ive tried a few different 15" wheels i think they were 15x12 they stucl out further than the body and that wasnt going to work for me.

 

[TigerEyz3]

Assuming you've got a spindle drop, you'll have a problem running 15s...unless you shave the lower control arms (LCAs) - otherwise, you'll tear up the inner rim area on turns. Since you said you've successfully tried a few different 15s, you'll want to stay in the 7-8" width range for tucking. More than that, you'll want to have a significantly positive offset wheel to bring it closer to the frame (think FWD rather than RWD backspacing/offset).