Heat oven to 350°F. In a small bowl, mix graham cracker crumbs, butter and sugar. Press in bottom and up side of 9-inch glass pie plate. Bake 8 to 10 minutes or until golden brown; cool.

In large bowl, beat milk and lime juice with electric mixer on medium speed until smooth and thickened. Fold in whipped topping. Spoon into cooled pie crust.

Cover and refrigerate about 1 hour or until set. Store in refrigerator.