MIX first 2 ingredients until blended; set aside for later use. Cook chicken in large skillet sprayed with cooking spray on medium-high heat 3 min. on each side or until evenly browned. Remove from skillet; set aside. Cut half the red pepper into thin strips; chop remaining pepper.
HEAT dressing in same skillet on medium heat. Add chopped peppers, onions, tomatoes, garlic and 1/3 cup parsley; cook 5 min. or until peppers and onions are crisp-tender, stirring frequently. Add quinoa; cook and stir 2 min.
STIR in broth mixture. Top with chicken, red pepper strips, ham and peas; cook 5 min. Cover; simmer on medium-low heat 30 min. or until liquid has been absorbed, uncovering for the last 5 min.
REMOVE skillet from heat; let stand 5 min. Top with remaining parsley and lemon wedges.