Combine the chicken broth, lemon juice and soy sauce in a small bowl; pour over the loin. Cover and cook on low for 8 to 10 hours or on high for 4 to 5 hours. Grease a 6 qt. · Place onions in bottom of cooker. · Rub pork with seasoning blend and salt. · Place on top of onions. · Cover and cook on high for hours or low.