If you can still make it happen on the jack stands then start taking it apart.
Your video sounded external to me. A sharp noise, not muffled like inside the housing.
Driveshaft off, still there? Take the wheels off try again, take the calipers and rotors off, still there?
2014 JKU, JKS lift,Poison spyder flares, bombshell covers,Rancho D2 control arms, JKS adjustable track bars, 35" Tires. GrabBars, Crawler Conceptz rear bumper, Smitty front bumper, Winch. Rough Country inner fenders, Teraflex Disco Mud Flaps
Backseat Dobermann Security