1Spray 5-quart oval slow cooker with cooking spray.
2In small bowl, stir together brown sugar, chili powder and salt.
3Pat chicken dry, both inside and outside, with paper towels. Rub chicken all over with brown sugar mixture.
4Place chicken, breast-side up, in slow cooker.
5Cover; cook on High heat setting 2 1/2 to 3 1/2 hours or until legs move easily when lifted or twisted and thermometer inserted in thickest part of inside thigh reads at least 165°F. Remove chicken from slow cooker; let stand 10 minutes before serving.