GF DF Cheesy Corn Spoon Bread

I adapted this recipe from one on Taste of Home. Ingredients: 1/4 cup Earth Balance vegan butter substitute 1 medium onion, chopped 2 large eggs 2 cups Tofutti sour cream 1 can (15.25 oz) whole kernel corn, drained 1 can (14.75 oz) creamed corn 1/4 tsp salt 1/4 tsp pepper 1 package Krusteaz gluten-free cornbread…