Camden, welcome to the world of real trucks!!
The detroit locker in your rear axle basically allows either tire to ratchet AHEAD of driven speed, but not fall behind. This in effect means you're always driving off the INSIDE tire in a turn, while the outside tire is allowed to ratchet free (faster than the inside tire). So if you throttle it up some, the inside actually just slips some, and you drive off both them. No additive softens it, as it's not clutches, it's dog teeth that cam apart to differentiate. This is just how it is...
Note that this means the power on, you'll ALWAYS spin both tires at exactly the same speed, unless something's broke, which isn't likely. Good for donuts in the snow, good for wheeling, but kinda hard on tires if you're generous on the skinny pedal... You'll occasionally hear it bang too. And I notice it push the truck around a little too, but that's probably allowed more by some plany in the steering...
Chris