Grilled chicken lends smoky flavor to a flavorful summer salad featuring sweet and crunchy grapes and apples in a mayonnaise-sour cream dressing seasoned with fresh tarragon and dill. Jun27 Grilled chicken lends smoky flavor to a flavorful summer salad featuring sweet and crunchy grapes and apples in a mayonnaise-sour cream dressing seasoned with fresh tarragon and dill.