Crockpot Chicken Tacos

Bahan-bahan (4 porsi)

• 4 boneless skinless chicken breasts
• 1 cup salsa
• 1 cup canned diced tomatoes with chilies (drained or 1 can Rotel, 10 ounces)
• 1 ounce taco seasoning (or 2 Tablespoons homemade taco seasoning)
• ½ onion (diced)