Still a mystery why "it's not even there" is the goal, towing for the clueless?
You have a diesel van....Go Camping, you'll have a better idea after some miles towing.
Do some research in the meantime and you'll have a better idea of what you need.
"Sticks & stones can break your bones...and hail will dent your Airstream"
So when is this..."old enough to know better" supposed to kick in?