Can a Conjurer use Benign Transposition to switch with Mordenkainen’s Faithful Hound? If so, can it then attack same turn?

@NagyWritesCan a Conjurer use Benign Transposition to switch with Mordenkainen’s Faithful Hound? If so, can it then attack same turn?
The spell’s hound isn’t meant to be a creature, so the intent is no.

— Jeremy Crawford (@JeremyECrawford) May 30, 2015