1. Prepare grill.
2. Sprinkle chicken with 1/4 teaspoon salt and 1/2 teaspoon pepper; coat with cooking spray. Place chicken on a grill rack coated with cooking spray. Grill 12 minutes or until done, turning chicken once.
3. While chicken cooks, puree peaches, honey, chile, and remaining 1/4 teaspoon salt in a food processor. Reserve 3/4 cup chipotle-peach sauce to serve with chicken; brush remaining 1/2 cup sauce over chicken during last 2 minutes of cooking.
Serve with: Grilled Corn and Red Pepper Salad