Fall Gently. Red Light: Silver Girls series

Fear Abused by her stepfather, homeless, and kept by the leader of the Yesler Street Gang, Roni Glenn seeks sanctuary at Red Light, the illegal bordello, where she'll get paid for doing what other men always took for free. Her safety in Federal, Idaho only lasts three days when a customer arrives for his appointment, and she recognizes the Sparrows tattoo on his hand. CourageDawson promises Roni no harm, but she's heard those lies before and refuses to listen.
Until, he shares a news article that gives her hope of starting life over, free from the past and safe. LoyaltyDawson Carver spent four years in prison for running a chop shop only to come home and find Jacqueline, his sister, forced into working in the sex industry by the person he trusted to care for her in his absence. His plan to save Jacqueline comes too late, and she's murdered. He has nothing to live for, except the promise he made his sister the last time he spoke with her. StrengthHe must find Roni and help her escape the Yesler Street Gang.
But keeping his word comes with a price, and he finds himself submerged in healing Roni and holding a secret that would destroy her.