HEAT dressing in Dutch oven or large deep skillet on medium-high heat. Add chicken; cook 3 min. Add broth; bring to boil. Stir in rice; return to boil. Cover. Reduce heat to medium; simmer 5 min.
ADD cream cheese; cook 2 to 3 min. or until melted, stirring frequently. Add spinach. (Pan will be full.) Cook, covered, 1 min. or until spinach is wilted. Stir gently to mix in spinach.
REMOVE pan from heat. Let stand, covered, 5 min. Stir in tomatoes; sprinkle with Parmesan cheese.