1. Heat oven to 425 degrees F. Spray a baking sheet with nonstick cooking spray.
2. Roll out pizza dough onto prepared baking sheet. Spread enchilada sauce over crust to within 1/2 inch of edges. Evenly scatter cheese, beans, chicken and jalapeno slices over the pizza.
3. Bake at 425 degrees F for 16 to 17 minutes or until crust is golden brown and top of pizza is bubbly. Allow to cool slightly and cut into 8 slices. Serve with sour cream and sliced black olives, if desired.