Spray crockpot with nonfat cooking spray. Place chicken breasts in crockpot. Add remaining ingredients. Cook on high for about 5-6 hours. When done, shred chicken and return to pot. Cook another 15-30 minutes. Serve in tortillas for burritos (can add lettuce, FF sour cream, Lowfat cheese, etc) or on lettuce for a chicken taco salad.