In a medium mixing bowl, combine cream cheese, sour cream, and mayo. Mix well.
Stir in garlic powder, salt, and chicken.
In a small skillet, heat olive oil over medium heat.
Add pepper and onion slices and saute until tender-crisp.
Stir pepper/onion mixture into cream cheese mixture.
Spread into a shallow baking dish; top with shredded Provolone.
Bake at 375 degrees for 30 minutes or until cheese is melted and edges are golden brown.
Serve with your favorite Food Should Taste Good Tortilla Chips.