Sensuous Phyllo Fruit Tartlets

Vegetable-oil or butter-flavored cooking spray

1/4 cup raw sugar , such as turbinado

8 oz nonfat vanilla yogurt, warmed to room temperature

8 oz Neufchâtel (a lower-fat variety of cream cheese)

1 tsp vanilla extract

1 1/2 cups pitted cherries and mixed berries (such as raspberries, blackberries, blueberries and sliced strawberries)

1 tbsp Grand Marnier, rum , or Kahlúa