I would like to do that, but I do not have a tow package. :frownSomething I picked up for my pup off of amazon...
It cuts the in/out distance in half and can support up to a 200 lb pooch. (mine weighs in a a svelte 150)
The ramp is going to be a necessity. I found one on Wayfair that I think will do well - http://www.wayfair.com/Pet-Gear-Travel-Lite-Tri-Fold-71-Pet-Ramp-TL9371CH-PGI1180.html