Sweet Potato Chips Dusted with Chili Powder

Name: Sweet Potato Chips Dusted with Chili Powder
Ingredients: 2 large sweet potatoes; 2 teaspoons chili powder; 1 teaspoon garlic powder; 1/4 teaspoon cayenne powder; 1/2 teaspoon ground cumin; 1 teaspoon kosher salt; 1/2 teaspoon ground black pepper; Vegetable oil, for deep-frying; Blue Cheese and Chive Dip, recipe follows; 1 cup sour cream; 1 cup mayonnaise, store-bought; 1 teaspoon fresh lemon juice; 1 cup crumbled blue cheese; 1 1/2 tablespoons honey; 1/2 bunch finely chopped chives, plus extra for garnish; Kosher salt and freshly ground black pepper