Big Mac Crispy Rice

Name: Big Mac Crispy Rice
Ingredients: 1/2 cup mayonnaise, divided; 5 tablespoon sweet pickle relish, divided; 1/4 cup ketchup, divided; 2 1/2 teaspoon garlic powder, divided; 1 1/2 teaspoon smoked paprika, divided; 2 teaspoon kosher salt, divided; 1 teaspoon ground black pepper, divided; 4 cups cooked and cooled white rice; 1 tablespoon olive oil; 6 ounces ground chuck; 5 (3/4 ounce) slices American cheese; 1/3 cup shredded iceberg lettuce; 2 tablespoon diced white onion; Pickle slices, for garnish