PREPARE and bake single pie crust according to recipe directions, using a 9-inch pie plate; cool.
COMBINE sugar and corn starch in small saucepan. Add egg yolks and milk. Stir in lemonade concentrate. Cook and stir on low heat until thickened. Cool to room temperature. Spread 1/3 C. mixture in bottom of cooled baked pie crust.
DRY blueberries between paper towels. Arrange in single layer over filling in pie crust. Gently stir whipped cream into remaining filling. Spoon over blueberries in pie crust. Refrigerate 2 to 3 hours before serving. Garnish with grated lemon peel and blueberries, if desired.