Soak eight 8-inch bamboo skewers in water 10 minutes. Cut beef steak into 1 1/4-inch pieces. Toss beef and bell peppers with 1 tablespoon basil, dressing and garlic in large bowl. Alternately thread beef and peppers onto skewers. Toss orzo ingredients in medium bowl; keep warm. Place kabobs on grid over medium, ash-covered coals. Grill, uncovered, about 8 to 10 minutes for medium rare (145°) to medium (160°) doneness, turning occasionally. Serve with orzo.