265 or 285 STT Pros

I have 265/75/16 ko2s on now but am going to exchange them. The guy who ordered them told me they were C load rating, but they are E. I want to go bigger if I can but this truck will be used hard off road and I don't want much rubbing. Right now I have total chaos UCAs and 3" spacer lift in front which sits about 1.5" over stock due to steel bumper and winch. It's pretty much level with stock rear, maybe slightly higher. I'm putting on Icon shocks and Dakar leaf packs without overload this week as well as doing CMC (if needed for tires). Icon coilovers are on the way but a couple months out.

My tire place can't get 255/85/16s so that rules them out. It's between 265/75/16 STT Pros, 285/75/16 STT Pros, or if those won't fit, 285/75/16 ST Maxxs. Stock OR wheels. Will I have to use spacers to clear 285s? I can get different wheels but don't want to unless I absolutely have to, in which case I would go up to a 17.

What do you think?