Caramelized Onion and Beer Cheese Soup

Name: Caramelized Onion and Beer Cheese Soup
Ingredients: 4 oz turkey kielbasa, sliced; 1 tbsp + 4 tbsp unsalted butter, divided; 1 medium yellow onion, diced; 1 cup boiling water; ½ tsp Better the Bouillon roasted chicken base; 1 cup light beer (such as lager or ale); 1 tsp seasoned salt; ¼ + ¼ tsp pepper, divided; ¼ cup flour; 2 cups milk (I used 1 %); ¼ tsp salt; ¼ tsp garlic powder; 4 oz extra sharp cheddar cheese, shredded; 4 oz smoked gouda, shredded; French fried onions and minced chives, for garnish