Spicy Chili With Sour Cream Dumplings

• 2 garlic (cloves crushed)
• 1 1/4 bisquick baking mix
• 450 gr beef (ground)
• 120 gr onion (chopped)
• 60 ml milk
• 60 ml sour cream
• 6 gr chili powder
• 4 gr sugar
• 1 gr salt
• 1 gr pepper