Spicy Quinoa Tomato Spinach and Chicken Sausage Soup

Name: Spicy Quinoa, Tomato, Spinach and Chicken Sausage Soup
Ingredients: 1 Tablespoon Olive Oil; 1 whole Onion, Chopped; 3 sticks Celery, Chopped; 1 package Andouille Chicken Sausage, Sliced, 1 Pound; 15 ounces, weight Can Diced Tomatoes, Italian Flavored, Undrained; 10 ounces, weight Ro-tel Diced Tomatoes, Original Flavor, Undrained; 15 ounces, weight Can Cannellini Beans, Drained And Rinsed; 48 ounces, fluid Reduced Sodium Chicken Broth; 1 teaspoon Garlic Salt; 4 sprigs Thyme, Leaves Only; 1 Tablespoon Vegeta No MSG All Purpose Seasoning Or Other All Purpose Seasoning; ½ teaspoons Red Pepper Flakes (more To Taste); ¾ cups Quinoa, Uncooked; 10 ounces, weight Fresh Spinach; Salt And Pepper, to taste