Most trucks have a full size spare, which likely had been tucked up under the truck since day one. The southwest is tough on tires. I’ve had ones start to fail after 3 years being outside in the sun. Dry rot, tread separation, not uncommon.
Yep, happened to me a few years back.
MIL boyfriend gave us a travel trailer just to get it out of his former residence. We lived 500 miles away.
Borrowed a friend’s diesel Ram to haul it back home. Had 3 blow outs along the way, took over 24 hours to get home.........................