To prepare chicken, rub 2 teaspoons oil over chicken. Sprinkle chicken with 1/4 teaspoon salt and 1/4 teaspoon pepper.
Place chicken on grill rack coated with cooking spray; grill 6 minutes on each side or until chicken is done. Cut into 1/4-inch-thick slices.
To prepare vinaigrette, combine water and next 8 ingredients (water through 1/8 teaspoon pepper) in a small bowl; stir with a whisk.
Arrange salad greens on plates, and top with sliced chicken, chopped cherries, and vinaigrette. Garnish with whole cherries, if desired.