Cheeseburger Dumplings

Name: Cheeseburger Dumplings
Ingredients: 3 tablespoons ketchup; 2 tablespoons mayonnaise; 1 tablespoon yellow mustard; 1 teaspoon Worcestershire sauce; 1 teaspoon smoked paprika; 1 teaspoon chili powder; 1 teaspoon toasted sesame oil; 1/2 teaspoon kosher salt; 1 small shallot; 1 medium scallion; 8 slices American cheese (about 5 1/2 ounces); 12 ounces ground beef, preferably 80% fat; 60 round dumpling wrappers (about 3-inch wide); 5 to 6 tablespoons vegetable oil, divided; 1 1/4 to 1 1/2 cups water, divided; Roasted sesame seeds, for garnish (optional)