How much bigger tire? What type of lift do you have? You'll need to look for 6x5.5 bolt pattern, and less offset. Stock offset is +19, you can go to zero offset and gain 3/4" clearance. All depends on the tire size you are going for. Also try to get hubcenteic wheels, 77.8 hub size. Otherwise, you'll need centering rings.
There are many variables that all have to be addressed at the same time
Check out a site called custom offsets. Obesity never shopped with them, but they have a large gallery of customers trucks grouped by make/model