what kind of wheels would I get for off-road tires that measure 31x10.5R15

It depends on your personal taste.

A lot of lifted trucks have wheels similar to those of mickey thompson's classic 2 series:


However, if you actually plan on doing some serious offroading you should look at steel rims.

Let's see some pictures of the truck.

__________________
2006 Ford Ranger Sport 4.0 2WD on 32x11.50R15s
-3" Doetsch Spindle Lift


Using the forum:
How to Post on the Forum
Creating a signature (do this before asking any questions)
Upload an Avatar (image of your Ranger)
How to Post Pictures on the Forum
Switch the site layout: Light Theme or Dark Theme

Things to do:
Participate in Truck of the Month
Participate in the Ranger Photo Contest
Participate in the Non-Automotive Photo Contest
Become a Site Contributor
Shop at the FordRangerForum.com Store