[Heel n Toe]

Get yourself a rescue that's already been housebroken... and like someone said, get one that looks chill. You probably don't want a dog that is running around the pen at the rescue, barking constantly like he's on crack.

Most rescue kennels if they're any good, will talk with you about what you're like and give you an idea about the dog you're thinking about (if it might fit you and your lifestyle). And will also have a reasonable return and exchange policy if the dog absolutely doesn't work out.

Ask them if they think the dog is okay to be put in a crate for short periods of time like during thunderstorms, etc. Our dog sleeps in his crate, then is put in there during storms because he's freaked out otherwise.