Heat Oven To 375 Degrees F. Add Seasoning Mix To Chicken In Medium Bowl; Toss To Evenly Coat. Heat Dressing In Large Skillet On Medium-High Heat. Add Chicken; Cook And Stir 5 Min. Or Until Evenly Browned. Spoon Into 1-1/2-Qt. Casserole; Cover With Layers Of Beans, Corn, Onions And Salsa. Bake 20 Min. Top With Cheese; Bake 5 Min. Or Until Melted. Serve Over Rice.