My tj has the lean also, I have swapped sides with the springs and even installed new springs...nothing. Like you 3/4 in lower on the passenger side.
98 TJ 4.0 auto, 3 in BDS springs,Skyjacker shocks, RE control arms,1.25 BL, 8K winch, JKS track bar with ZJ steering,33/12.50/15, 8.8 rear, custom fab front/ rear bumper and tire carrier.
2012 JK Rubicon (COD edition) 9.5cti Warn winch, Teraflex 2.5 lift.AEV Front bumper, AEV rear bumper and tire carrier. ARB on board air,35/12.50/17,PIAA lights, Rigid Ind.reverse LEDs, Currie adjustable control arms