Heat olive oil in a skillet over medium heat. Add shrimp, chili powder, cumin, garlic powder, salt, and pepper. Cook until shrimp are pink, about 5-7 minutes.
In a mixing bowl, combine sour cream, cilantro, lime juice, water, salt, and black pepper. Mix well.
To serve, layer cooked rice, shrimp, avocado, cherry tomatoes, red onion, and cilantro. Drizzle with cilantro lime sauce.
Notes
You can add more vegetables such as bell peppers or corn for extra flavor.