Spray large nonstick saucepan with nonstick cooking spray. Add ham and onion; cook over medium heat for 4-6 minutes or until onion is tender, stirring occasionally.
Stir in remaining ingredients. Bring to a boil. Reduce heat to medium-low; simmer 20 minutes or until slightly thickened. If desired, garnish each serving with a few crushed baked tortilla chips.
Makes 4 servings--240 calories--20 from fat--2 grams fat.