Candy Crunch Pudding Pie

pkg. (3.9 oz. each) JELL-O Chocolate Flavor Instant Pudding

cold milk

tub (8 oz.) COOL WHIP Whipped Topping, thawed, divided

chocolate-covered toffee bars (1.4 oz. each), chopped, divided

ready-to-use reduced-fat graham cracker crumb crust (6 oz.)

BAKER'S Semi-Sweet Chocolate, melted