Heat the olive oil in a large skillet over medium heat.
Add the diced onion and cook for 3 to 4 minutes until softened.
Stir in the minced garlic and cook for 30 seconds.
Add the ground chicken and cook for 6 to 8 minutes, breaking it apart as it browns.
Stir in the chili powder, cumin, paprika, onion powder, garlic powder, oregano, salt, and black pepper.
Add the tomato sauce and chicken broth, then stir until everything is well combined.
Simmer for 3 to 5 minutes until the mixture thickens slightly.
Warm the tortillas in a dry skillet or microwave.
Fill each tortilla with the ground chicken mixture.
Top with lettuce, tomatoes, cheddar cheese, sour cream, cilantro, and a squeeze of fresh lime before serving.