Chock the wheels.
  Raise the LR wheels off the ground and support the axle with appropriate jack stands.
  remove the wheels
  remove the brake caliper , and caliper bracket.
  remove the axle bolts , and pull out the axle...
  remove the wheel bearing nut , washer amd lck not from the spindle.
  remove the hub/ rotor assembly...
  once the hub and rotor assembly is on the floor , you can access and remove the inner seal with an appropriate seal puller...

If you decide to do this yourself , then I should be able to provide you with the proper torque values and bearing preload procedures for reassembly…