My council is to leave it untouched for at least a year. Fix the safety items first (Brakes/tires/lighting, steering. Then drive her and listen to her. She will tell her what she needs.
Trucks are working vehicles. A dent or two, and crack or wrinkle are badges of courage. I love a perfectly restored truck, but for my retired dollar, let me at a work truck. "Uncle Raeman" is a loose collection of 3 trucks, a ton of coat hangers for patching metal, and many a junk yard raid. I'm still happily working on him. Adding a '38 dump truck shroud is in progress.
Please don't be upset with me.