Times past (way past), I ran retreads. I have had retreads come off. Scary, but never lost any air. Today, I would not even consider retreads on my truck.
They say my tires are regroovable, but I do not think I am interested in that.
I had my Mitchlen 245/70R19.5 XDE M/S, mounted in Nov of 2006. My rear axle loaded is 6,200 pounds. I would have to review my records, but I think I have about 100,000 miles on them. If you only have 60,000 miles on yours, you might consider doing a little research for a longer millage tire.