Even if the radiator hoses "seem" ok , replace at least the bottom one. It can collapse on the inside while the outside looks normal.
Recheck the t-stat . It could be a bad one or , and I've seen this happen when people get in a hurry or distracted , upside down.
Is the fan blowing air out the front of the truck when idling in the driveway (this recently happened on here) ? Yes they can be installed backwards .