Pat dough into 8-inch circle on cookie sheet. Bake 18 to 20 minutes or until golden brown. Remove to wire rack and cool 5 minutes. Drizzle over warm scones. To serve, divide lettuce mixture onto 6 plates.
Drizzle salads with dressing and sprinkle with remaining cheese.
Makes 6 servings. Reheat chicken or serve chilled. Lettuce mixture and dressing may be prepared separately, covered and refrigerated as long as 4 hours before serving. Use light or fat-free ranch dressing.