Bucky Dawes was manager of the late Rayna Jaymes.
Not much is known about him apart from him being Rayna's manager and one of her closest friends. After she establishes Highway 65 he takes on the role of CFO of the company until her death following a car crash, which leaves him devastated.
Zach Welles tells Deacon that in order for the label to move forward he needs to let go of Bucky but the latter decides to depart of his own accord. He later becomes Maddie Conrad's manager.