One Skillet Vegetarian Quinoa Fajitas

Name: One Skillet Vegetarian Quinoa Fajitas
Ingredients: * 1 tsp vegetable oil; * 1/2 of a medium onion, chopped; * 1 bell pepper, chopped; * 1 tsp chili powder; * 1/2 tsp salt; * 1/2 tsp smoked paprika; * 1 cup quinoa, rinsed; * 1 (14.5 oz ) can low sodium black bean, drained; * 1 (14.5 oz ) can petite diced tomato, drained; * 1 and 1/2 cup water or low sodium broth; * 1/2 cup shredded finely shredded cheddar cheese; * 12 ( ) flour tortilla; * 1 cup salsa or pico de gallo; * 1/2 cup sour cream or greek yogurt