Pork and Rice Quesadillas with Orange Salsa

Name: Pork and Rice Quesadillas with Orange Salsa
Ingredients: Cooking spray; 1 cup instant rice, cooked according to package directions; 2 cups diced roasted pork loin; 1 (15-ounce) can black beans, drained; 1 cup chopped arugula leaves; 1 cup shredded Monterey Jack cheese; 1/2 cup diced oil-packed sun-dried tomatoes; 6 burrito-size flour tortillas, regular or flavored; 1 recipe Orange Salsa, recipe follows; 1 (11-ounce) can Mandarin oranges, drained and chopped; 1/4 cup diced red bell pepper; 2 tablespoons freshly chopped scallions; 2 tablespoons freshly chopped cilantro leaves; 1 tablespoon fresh lemon juice; 1/2 teaspoon ground cumin; Salt and freshly ground black pepper