I towed a 5000-lb travel trailer with my half-ton Burb. Several trips to Florida and one to Yellowstone with a family of 5. 4000-lb rear axle was the weak link. Just made frequent stops at the scales to check my weights.
Also used it to pull a 3500-lb cargo trailer. Pulled just fine.

Pull out the rear bench, fold the middle row, and sheets of 4x8 fit in the rear and the tailgate closes. Works for me.