Blood Dragon by Alexis Davie

Pyre wanted to kill her, but now he will do everything in his power to keep Finley alive.
For most of his life, Pyre Veskovic, an alpha dragon prince, has been alone, with only the memories of his brutal past to keep him company. Although most women find him irresistible, Pyre isn’t interested in any kind of commitment.
When he comes across Finley, a vampire stealing blood bags from a blood bank, he locks her in his basement, figuring she will have the information he requires to retrieve the Blood Stone. The powerful artifact can lead to mass destruction if it falls into the wrong hands, and Pyre can’t let that happen.
When Finley turns out to be the key to retrieving the Blood Stone, he has no choice but to trust her. The vampire turns his world upside down and makes him rethink everything he thinks he knows. Not just about vampires, but about himself as well.