The only difference in rear and front discs is the e-brake in the rear. If I remember correctly the JK has a separate drum brake for the e-brake located inside/behind the rotor. Some cars integrate the e-brake into the caliper itself but I don't believe the Jeep is like that.
It's fairly easy, you may have to remove the clips around the wheel studs if the Jeep hasn't had a brake job or the axles pulled before. You don't have to put the clips back on.
When I did it, I don't think I got my caliper piston fully compressed and it was dragging on the rotor. I pulled it back apart and compressed the piston again with a C clamp and it has been fine ever since. I should have spun the rotor before I put the wheels back on to check for contact with the pad. Lesson learned, I will next time.
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