Spicy Labneh Fried Chicken Sandwich

Name: Spicy Labneh Fried Chicken Sandwich
Ingredients: 1 cup labneh; 1/4 cup hot sauce, such as Cholula; 2 1/4 teaspoons kosher salt, divided; 2 teaspoons garlic powder, divided; 1 teaspoon freshly ground black pepper, divided; 6 boneless, skinless chicken thighs (1 1/2 to 2 pounds total); 1 cup all-purpose flour; 1 teaspoon smoked paprika; 1/2 teaspoon cayenne pepper; 4 cups vegetable oil, such as canola; 1 large ripe mango; 1 large ripe avocado; 6 brioche buns; 6 tablespoons chipotle mayonnaise; 6 tablespoons mango chutney; 1 1/2 cups loosely packed baby arugula (about 1 1/2 ounces); 18 to 24 dill bread-and-butter pickle chips