For a trailer with a gvwr of 7,600 pounds, I do not recommend either the typical Chevrolet or Ford "Half ton" with their 1,300-1,600 pound payloads. I would look for something with a payload of over 2,000 pounds. Easy to find in the F-250 or 2500HD models. A tow vehicle is a lot more than just the engine.
Don't forget, you might get the urge for something even heavier, if you are like most of us. Nice to have that option without trading trucks. The extra thousand pounds of payload will only cost a little more now but a whole lot more to trade up to later.