Pour wine into 9-inch square baking dish. Butterfly shrimp. To do this: cut a slit almost through back of shrimp. Open shrimp and flatten. Place about 1 teaspoon crab cake on back of each shrimp; fold tail over filling and place shrimp in baking dish. Repeat with remaining shrimp (wash hands).
Bake 10–12 minutes or just until shrimp are pink and opaque and stuffing is 165°F Transfer shrimp to serving platter; sprinkle with onions. Whisk scampi sauce into pan juices, then sprinkle with parsley. Pour sauce around shrimp and serve.
Cut apples into small pieces; set aside 1/2 cup apples and 1/2 cup toffee bits for later use. Combine remaining ingredients (except pita chips) until blended. Transfer dip to serving bowl and chill until ready to serve.
Top dip with reserved apples and toffee bits. Arrange chips around dip and serve.