Tully: If you do not want to combine the ATV with a tow car I would suggest using a small trailer with a minimum 5 Ft. long tongue. Put a small pneumatic tire on a swivel drop post to allow a quick disconnect leaving a swivel tricycle gear trailer able to be hand pushed out of the way for backing clearance. If you you need a tow car, use a small pickup with the ATV in the bed.
Please do not jeaprodize your multi $100,000 Bus by hanging a couple thousand $ toy on the back.
Harry
Shirley & Harry / 2000 Liberty / 2008 GMC Envoy Denali