Preheat oven to 350F. Beat cream cheese, 1 cup of the shredded cheese, chilies and seasonings in small bowl with electric mixer on medium speed until well blended. Stir in chicken.
Spread into 9-inch pie plate.
Bake 20 to 30 minutes or until dip is lightly browned and heated through.
Sprinkle with remaining 1/2 cup shredded cheese; let stand 10 minutes.