Easy Strawberry Pie Dessert

1 package strawberry jello
1 cup boiling water
1 pint fresh strawberries, sliced
2 containers strawberry low fat yogurt
1 small container Cool Whip
1 chocolate graham cracker crusts

Dissolve strawberry jello in 1 cup boiling water. Chill in refrigerator until mixture is cool. Fold in 2 cartons of yogurt into 1/2 container Cool Whip. Fold in sliced strawberries. Mix jello mixture is cool, fold into the Cool Whip mixture. Place in the graham cracker crust and chill. Before serving top with remaining Cool Whip.