Sauté onion in hot oil in a Dutch oven over medium heat 5 minutes or until tender; add garlic, and sauté 1 minute. Add Yukon gold potatoes and next 6 ingredients; bring to a boil, stirring often. Reduce heat, and simmer, stirring occasionally, 25 minutes or until potatoes are tender. Stir in shrimp; cook 4 to 5 minutes or just until shrimp turn pink. Season with salt and pepper to taste. Serve with desired toppings.