1Heat oven to 450°F. On cookie sheet, place pizza crust. In medium bowl, mix mayonnaise, Parmesan cheese and artichokes.
2Spread artichoke mixture over pizza crust, leaving 1-inch border. Top with 1 cup of the cheese, the chicken and onions. Top with remaining 1/2 cup cheese.
3Bake 8 to 10 minutes or until cheese is melted and pizza is thoroughly heated. Cut into 8 wedges.