Combine boiling water, lime Jell-O and lime juice in a medium bowl. Mix and let sit in fridge until partially set (~20 minutes).

Meanwhile, cream cream cheese and sugar together in a large bowl. Set aside.

Prepare Dream Whip according to directions on box. Store in fridge until ready to use.

When Jell-O is partially set, pour into cream cheese mixture and beat to combine.

Fold in Dream Whip.

Pour mixture into graham cracker crust, cover and place in fridge until set.