1997 Buick Lesabre front right tire

Shakes or Wobbles problem
1997 Buick Lesabre 6 cyl Front Wheel Drive Automatic

when i.M driving the front right tire jumps or vibrates.I let up of the gas and then it stops. It does not do it all the time. I also have a dent in the side wall of that tire. My shocks and strouts are new and trans, mount.