Add chicken to pot and increase heat to medium-high. Season chicken with salt, pepper, and thyme. Cook chicken for 6 minutes, cooking chicken on all sides.
To the chicken, add onion, carrots, and garlic, cooking for 5 to 6 minutes or until the vegetables are softened but not mushy. Stir in the bay leaves and chicken stock. Bring to a boil.
When the soup comes to a boil, add the quinoa. Cover and simmer for 15 minutes or until the quinoa begins to soften but has not released the curly grain.