All the rubber is off of my ball joints. They are okay. Wondering if I can put the boots back on with grease and it will be okay to use. Is it an easy job or will I need to have it done?

Maybe. Check in the technical section where the suspension threads are.

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2011 Ranger XLT, 4X4, 4 door Super Cab. 4.0L, 5 Speed M50D-R1HD, 3.73:1, 8.8" open differential, Jason Pace cap
2019 Ford Ranger STX FX4, Super Crew, 2.3L Ecoboost, 10 speed automatic, 3.73:1 with rear locker, Leer 100XR cap

ya it should be ok just dont drive till you get some covers an new grease in there. you can get poly boots for the truck.