1Spray 12-inch skillet with cooking spray; heat over medium-high heat. Cook beef and onion in skillet 5 to 7 minutes, stirring frequently, until beef is brown and onion is tender; drain.
2Stir soup, chili beans, green chiles and corn into beef mixture. Heat to boiling; reduce heat to medium. Cook 8 to 10 minutes, stirring occasionally, until sauce is slightly thickened and corn is cooked.
3Sprinkle each serving with cheese. Serve with corn chips.