go with the toyo AT2 instead of the previous generation.
even if you lift your vehicle, the tires will still be in contact with the rear links based on your 5.7 backspacing.
Spidertrax come in 1.25, 1.375, 1.5. for your issue, get the 1.25.
3.21 auto will work. pair it up with aev procal to fix speedo and shift points.