Grill or broil chicken, brushing frequently with Dressing, 15 minutes or until chicken is thoroughly cooked. Top chicken with roasted peppers, then cheese. Grill or broil until cheese is melted.
Meanwhile, spread Hellmann's® or Best Foods® Light or Real Mayonnaise on both sides of bread; sprinkle with basil. Arrange chicken on bread. Wrap in aluminum foil and keep warm. To serve, cut into 4 pieces.