Ingredients
1 1/4 cups milk, divided
1/4 cup sour cream
3 Tbsp. sugar
2 1/4 cups dry all-purpose baking mix for biscuits
1 pkg. (4-serving size) Jell-O Vanilla Instant Pudding
1 1/2 cups thawed Cool Whip Whipped Topping, divided
4 cups sliced strawberries
1/3 cup sugar