I am so very sorry for the loss of your beloved yorkie daughter. Losing a little one rips a hole in your heart that never fully heals. In time you will be able to think of her with more smiles than tears. Sending healing
and
It is normal to have second guesses, but it only serves to cause more pain - it sounds like you did the very best you could to take care of her. You were blessed with 14 years of companionship and love, so try and hold on to the good times. Watching the slow and sometimes painful decline of a loved one - be it human or fur, is hell.