Southwest Chicken

4 Boneless Skinless Chicken Breasts
1 Large Onion, Chopped
1/8 Teaspoon Garlic Powder
1 Tablespoon Butter/Margarine
2 Cups Salsa
3 Cups Chicken Broth
2 Cups Uncooked Non-Instant Rice
Cheddar Cheese

In skillet, melt butter. Saute onion in butter until tender. Add broth and salsa and bring to a boil. Stir in rice and garlic powder. Place chicken over rice. Cover and simmer 10-15 minutes. Turn chicken over. Stir rice. Cook an addition 10-15 minutes. Turn off heat. Sprinkle with cheese and cover and let sit for about 5 minutes.