To prepare chicken, combine the juice, soy sauce, ginger, lemon pepper, and garlic in a large zip-top plastic bag. Add chicken to bag; seal and shake to coat. Marinate in refrigerator 1 hour, turning once.
Prepare grill or broiler.
Remove chicken from bag; discard marinade. Place chicken on grill rack or broiler pan coated with cooking spray; cook 5 minutes on each side or until chicken is done.
To prepare salsa, combine pineapple and remaining ingredients, tossing gently. Serve with chicken.
MyRecipes is working with Let's Move!, the Partnership for a Healthier America, and USDA's MyPlate to give anyone looking for healthier options access to a trove of recipes that will help them create healthy, tasty plates. For more information about creating a healthy plate, visit www.choosemyplate.gov.