This should work:
Chock the front wheels, lift the truck with a floor jack at the hitch till the tires/wheels are off the ground. (haven't bent mine yet by doing so) Place jack stands under the frame rails, relocate the floor jack to pumpkin of the rear end and then jack the rear end up and down as needed......
Chock the front wheels, lift the truck with a floor jack at the hitch till the tires/wheels are off the ground. (haven't bent mine yet by doing so) Place jack stands under the frame rails, relocate the floor jack to pumpkin of the rear end and then jack the rear end up and down as needed......