HEAT 2 Tbsp. of the dressing in skillet on medium-high heat. Add chicken and green pepper; cook and stir 5 minutes or until chicken is cooked through. Drain. Reduce heat to medium.
MIX remaining dressing, juice and sugar. Stir into skillet; bring to boil.
REMOVE from heat; add rice, orange segments and pineapple. Let stand, covered, 5 minutes.