Combine gingersnap crumbs and butter; press onto bottom of 9-inch springform pan.
Beat cream cheese in large bowl with mixer until creamy. Gradually beat in milk. Blend in lemon zest and juice.
Whisk in COOL WHIP; spoon over crust.
Freeze 6 hours or until firm. Meanwhile, cook remaining ingredients in saucepan on medium heat 4 min., stirring occasionally; cool. Refrigerate until ready to serve.
Let cheesecake stand at room temperature 15 min. before serving topped with blueberry sauce.