I've towed lots of trailers over the years--cars, boats, motorcycles, utility. Longer trailers, within reason, usually tow better and handle the weight better. I would still go longer here but Nikerret asked the right question. It sounds like the trailer is about 1700# plus 3250# so very close to 5000#. Even though your vehicle probably says it has a max tow rating of 6000-6500 pounds, that means a truck with no options and nothing in it--not even your lunch. You are pushing it with that tow vehicle which weighs under 5000 pounds--so the trailer weighs more than the tow vehicle, meaning the trailer is in control. Anything in the bed or more than you in the cab is going to make it iffy--and you say you are helping her move so that could mean stuff in the bed of the truck. All of that weight adds up. 30 miles isn't too far but take it slowly. Watch your brakes. Maine has some hills and your trailer nearly outweighs your truck so going down a hill, the trailer can overpower your truck. I've burned through brakes twice in 55,000 miles on my 2002 F150 towing 3000-4500# even with trailer brakes, and I am sure its brakes are bigger than yours. Possible? Yes. Ideal? Bad news--no.