Need tech help w/ 2007 Ram 1500 fr brakes(long read)

It seems to me that they charged you for a test drive and to install a set of pads. Are the bearings going to be repacked? I cannot see any self respecting tradesman installing new pads on used rotors - it just doesn't make sense, because what happened to you, will happen to anyone else every single time. As an after thought, I'd venture to say those new pads are buggared now too, so you might want to have them replace them too.