Did she curb it?
Does it go straight down the road?
Is the Ebrake releasing?
Are the brakes releasing?
Pull the wheels.
If it's not the brakes, take it to an alignment shop - the cost of having it checked could be saved in the cost of tires.

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2006 4.0 5 spd auto 4x4 Super Cab
BF Goodrich Commercial Traction T/A's
Royal Purple Throughout
Alpine Head Unit with some Infinity Noisy Stuff
NW Oregon