Driveshaft, differential help! Please.

[Advntrbound]

Just returned from a 30 mile trip towing a 3500lb trailer. 2020 Sport S with a MT. 104,000 miles, changed diff fluid around the 95k mark. This evening, I noticed a bit of a drag, and the Jeep didn't roll freely. I initially thought that the manual brake was dragging. As I was pulling the wheels, I noticed that the passenger side tire will spin the driveshaft forwards and backwards, but the driver side tire will not spin the driveshaft when rotated. Is this normal? It sounds like grinding in the diff, but to be honest, it could also be coming from the passenger side e-brake. (ill get some help later to spin it while I crawl under the jeep to listen better).

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[PuddleJumper]

the rotation is normal. as far as drag goes, you might have bearing on the way out. Do you have an LSD? and if so did you put in Diff oil that had LSD additives? Also ensure that your bearing assy bolts are tight and the caliper bolts.