What look are you going for?
Here's a comparison pic for my truck. Even the same brand of tire. All 8" wheels, 235/75/15
Didn't like how far the fronts stuck out with 8" wheels, so I went with 15x8 rear, 15x7 front. 235/70/15 rear, 215/75/15 fronts (again, 7" wheel this time).