1. Preheat oven to 400°.
2. Sprinkle chicken with 1/4 teaspoon salt and 1/2 teaspoon pepper. Heat a medium ovenproof skillet over medium-high heat. Coat pan with cooking spray. Add chicken to pan; cook 3 minutes. Turn chicken over. Place pan in oven; bake at 400° for 8 minutes or until done. Remove chicken from pan, and let stand for 5 minutes. Shred chicken, and chill for 30 minutes.
3. Cook rice according to package directions, omitting salt and fat. Coat a jelly-roll pan with cooking spray. Spread rice in an even layer in pan; chill for 30 minutes.
4. Combine remaining 1/2 teaspoon salt, remaining 1/4 teaspoon pepper, juice, and oil in a large bowl, stirring with a whisk. Add chicken, rice, cranberries, and next 5 ingredients (through lettuce) to juice mixture in bowl, and toss gently. Divide the rice mixture evenly among 4 plates, and sprinkle with green onion tops. Serve with lemon wedges.