In 12 inch skillet, brown meat with onion, drain. Add Pace Picante Sauce, beans and chili powder, bring to a boil. Reduce heat and simmer uncovered 5 minutes. Stir in tomato, avocado and olives, remove from heat. Sprinkle with cheese, spoon sour cream onto center of meat mixture.
Place a row of tortilla chips around edge of skillet. Serve immediately with additional tortilla chips, flour tortillas and additional Pace Picante Sauce.