32 ft'er with a suburban?

Here is my 10 year old burb, post corporate owned, loaded heavy and towing light.
Family of 4, 2 kids in car seats (center buckets, and 94lb lab on back bench. Rear of sub had floor to ceiling gear, and roof had 175lbs of toys. I had cat scaled that trip IIRC the sub weighed 8000lbs and the trailer axles were 3,000lbs.