1. Preheat grill to 350° to 400° (medium-high) heat. Combine chicken and 3/4 cup Basil Vinaigrette in a large zip-top plastic freezer bag; seal and chill 15 minutes, turning occasionally.
2. Remove chicken from marinade, discarding marinade.
3. Grill chicken, covered with grill lid, 4 to 6 minutes on each side or until done. Let chicken stand 10 minutes; slice.
4. Toss spinach, mangoes, and onion with 1/4 cup Basil Vinaigrette in a large bowl; arrange on a serving platter. Top with grilled chicken. Sprinkle with crumbled goat cheese and raspberries. Serve with remaining Basil Vinaigrette.