Welcome to the ram forums.
Best bet is to check the net, planty is sites with multiple wheel and tires combinations. I would suggest a 20x10 wheel with a offset ranging from - 12 —19 -24 or higher depending in how much you want to have the wheels sticking out. One good site that I like is
Wheeloffset.com tons of options, and pictures with wheels and tires installed on specific trucks.
Ether a 33 inch tires or 285/65/20 aka a 34 inch tall tire should clear your front end if you choose the correct offset