Cook the rice according to the package directions.
Meanwhile, brown the chicken in a large skillet or saucepan over medium-high heat, breaking up the meat as it cooks. Add the chili powder, oregano, basil, onion powder, garlic powder, 1/2 teaspoon salt, and 1/4 teaspoon black pepper and stir to coat. Cook for 1 minute, until the herbs and spices are fragrant.
Add the broth, ketchup, Dijon mustard, and Worcestershire sauce and bring to a simmer. Reduce the heat to low, partially cover and simmer for 10 minutes. Season to taste with salt and black pepper.
Transfer the rice to individual bowls and top with the chicken mixture. Top with parsley and green onions (if using) and serve.