Place the grapefruit slices in a slightly overlapping pattern on a serving platter. Sprinkle the onion slices over the grapefruit. Then sprinkle the olives. Top with the basil and chives. Drizzle the balsamic vinegar and olive oil over the salad. Sprinkle with salt and pepper and serve.
Per Serving (based on a 6-serving yield): Calories 129; Total Fat 8 grams; Saturated Fat 1 gram; Protein 1 gram; Total Carbohydrate 14 grams; Sugar: 8 grams; Fiber 5 grams; Cholesterol 0 milligrams; Sodium 214 milligrams