Creole Corn and Crab Hand Pies with Endive Slaw and Comeback Sauce

Name: Creole Corn and Crab Hand Pies with Endive Slaw and Comeback Sauce
Ingredients: 1/2 head red endive, sliced; 1/2 yellow onion, sliced; 1 tablespoon chopped fresh chives; 1 tablespoon chopped fresh Italian parsley; 1/4 cup champagne vinegar; 5 tablespoons extra-virgin olive oil; 1 1/2 tablespoons honey; Salt and pepper; 1 ear fresh corn, shucked; 2 tablespoons butter; 1 tablespoon oil; 1/4 yellow onion, diced; 1/4 red bell pepper, diced; 2 stalks celery, diced; 1/2 bunch green onions, chopped; 1/2 pint lump crabmeat; 3 tablespoons chopped fresh Italian parsley; 1/2 cup plain breadcrumbs; 1 teaspoon cayenne pepper; 1/2 teaspoon New Orleans-style crab boil seasoning, such as Zatarain's; Juice of 1/2 lemon; Salt and black pepper; 1 teaspoon creme fraiche; 8 crescent roll triangles; 2 eggs, beaten with 2 tablespoons water; 1 cup mayonnaise; 1/4 cup ketchup; 1/4 cup chopped cornichons; 1 tablespoon lemon juice; 1 tablespoon hot sauce