Try cubed cooked chicken or turkey instead of the ham.
Cooked wild rice can be found canned, frozen or in dry instant form. Or use your leftover cooked wild rice.
Savory Impossibly Easy Pies can be covered and refrigerated up to 24 hours before baking. You may need to bake a bit longer than the recipe directs since you’ll be starting with a cold pie. Watch carefully for doneness.