Toying with the idea of trying clipless pedals

[KnottedYet]

It doesn't all come from the hip, but a good bit of it does. Some also comes from inverting the foot. If you are supinated, you're already in inversion so that really leaves your hip to do it.

I'd think if you can get a sports med PT to address your hip (be sure to tell them about the surgery), you might find your pedal requirements change. You might find your apparent LLD changes as well. (weak-butt legs tend to look shorter, even when the femur or tibia aren't structurally shorter)