The Rancher Takes a Bride

This is an Apple Books audiobook narrated by a digital voice based on a human narrator.
His Secret Daughter 

Duke Martin is a father! The former army medic is stunned when old love Oregon Jeffries tells him the news. Given his troubled past, the hardworking rancher and diner owner understands why Oregon kept his daughter a secret for twelve years. But now Duke desperately wants to make up for lost time. As he sets out to be a true father to Lilly, he soon realizes his feelings for Oregon are growing stronger. When Oregon's health falters, he's ready to care for her and prove that he's worthy of her love. Could this be Duke's second chance with the woman he never should have let get away?