Found a belt that was the correct length, so I put it on, filled up the power steering system with fluid, and fired the truck up. It works amazing! I can literally steer with one finger. Here is a video
https://youtu.be/OI1DWWKVpy4. One question though, I've never driven anything old with power steering, is it normal for the idle to drop when the wheels are at full lock on either side?