Ingredients:
4 boneless, skinless chicken breasts, (1-1 1/4 pounds)
Salt & freshly ground pepper, to taste
3 teaspoons extra-virgin olive oil, or canola oil, divided
1/4 cup finely chopped onion
3 cloves garlic, minced
1 cup reduced-sodium chicken broth
2 teaspoons flour
2 tablespoons chopped fresh dill, divided
1 tablespoon lemon juice