From A Distance (A Spinster Orphan Train novella #3)
Diana Lesire Brandmeyer

Beginning a new life, Shanna Becket, secures employment as a Children’s Society Agency agent, her travels taking orphans to new homes regularly brings her through her home town, and she lives in fear that her stepfather will force her back home.
A second son who is always second-best to his oldest brother, Aidan Sollar hopes that his latest venture, a Chicago hotel, is his ticket to independence. His travels bring him in contact with lovely red-head Shanna and a sweet orphan girl.
A sick orphan brings them together, and Shanna is forced to place her well-being in Aidan’s hands. But accepting the love she’s only observed from a distance is another story. And Aidan must choose between his family’s wealth or love.