Grilled Moroccan Spiced Pork Tenderloin with Creamy Harissa Sauce

Name: Grilled Moroccan Spiced Pork Tenderloin with Creamy Harissa Sauce
Ingredients: 1 teaspoon ground cinnamon; 1 teaspoon ground coriander; 1 teaspoon ground cumin; 1 teaspoon paprika; 1 teaspoon kosher salt; 2 tablespoons olive oil; Two 1-pound pork tenderloins; Creamy Harissa Sauce, recipe follows; 1 cup Greek yogurt (8 ounces); 1 tablespoon fresh lemon juice; 1 tablespoon extra-virgin olive oil; 1 teaspoon harissa sauce *; 1 clove garlic, minced; Kosher salt and cracked black pepper