They all look good to the owner! People have different tastes.....what looks best to you might look like crap to others! Pick what you want and be happy!
Have a look around the forum. There a ton of photos of different trucks with different setups. If you dont see anything there you like check out my go-to website: www discounttire.com and shop for wheels. You can plug in your truck and see what all the wheels they offer will look like on your truck.
I'm partial to 265/65r18 I would stick to around a 0 to +12 offset (mine are +12 and sit near flush) assuming you gonna be staying on stock suspension for awhile