Oh man, this is terrible. I am sorry you're having to make these decisions, but you've given Bailey an amazing life and I would absolutely want to have this talk with a doctor you know and feel comfortable with. Surely they can arrange that for you.
That's an awful situation to be in Take comfort that even though you have to make a difficult decision no matter which route you choose, you're doing it out of love for your pet and trying to make the best possible decision.
“Life is not orderly. No matter how we try to make it so, right in the middle of it lose a leg, fall in love, drop a jar of applesauce.” - Natalie Goldberg