The rescuers were hoping the dog could lead them to the owner, assuming that the owner was under the wreckage somewhere, but instead the TV coverage led the owner to her dog.
They're facing a hard future, at least in the short term, but they're facing it together. Sometimes that's the only thing you can ask for.
And of course, Ban is a good dog. Look at that face. Don't you just want to give her a biscuit?