Hi Terri. Its great that you continue to dance in spite of the hips.
I have a similar problem - with two very bad knees (no cartilage).
With the help of some good (and sympathetic) teachers I am doing what i can, and am doing advanced moves and routines.
Concentrate on the correct technique as this relieves a lot of the strain that would otherwise cause problems.
Things that have helped me are stretching and strengthening
My big tip/suggestion for you is to practise your moves (by yourself) in a swimming pool.
The water reduces your weight on the hips and provides stability for your balance (Its hard to fall haha). It provides resistance to movement so you can build up your strength and naturally you move slowly so you have time to think and feel that each part of your body and movement is working in the correct order and to the correct place.
With the increased confidence the water gives you (that you are not going to hurt yourself) you can extend your range of movement and retrain the mind (not just the body) that it is safe to take the steps or do the movement without the brain questioning itself on each step.
You may look strange if you do it in a public swimming pool as I do, but they are used to it now.
This has helped me in so many ways that its worth it.