Dave, that was a good link for sure.
I picked my tires
Toyo Open Country RT, in size 255/80 R17
It is super highly rated and built in the USA. It stands 33.1" tall which is almost 2" taller than the stock 235 Nexen stock tires. That will reduce my gear ratio a little which I want without making the truck sluggish.
After getting the warning about the Nexens. I asked around and got mixed reviews, but when I started looking on the truck camper forums there was no shortage of people with a dually carrying 4K in the bed who experienced belt separation. I am not going to take that chance so I have just ordered seven of the new Toyos.
Oddly, I found the lowest price at my local Walmart. I feel dirty going into that store, but, hey, they have great tire prices!