1. Preheat oven to 450°.
2. Place crust on a large baking sheet. Spread barbecue sauce over crust to within 1/2 inch of edge. Sprinkle with chicken, Gouda, onion, oregano, crushed red pepper, and Parmigiano-Reggiano cheese.
3. Bake at 450° for 16 minutes or until cheese melts and crust is golden. Cool 5 minutes. Cut pizza into 6 wedges.