His Brother's Atonement (Whispers in Wyoming #34)
Amy Walsh, Erin Dameron-Hill

Aubrey thinks she has worked through most of her trauma with the help of her psychologist and loving community. However, meeting Shane Phillips seems to have unleashed suppressed anxiety and insecurity. But as their paths continue to intersect, Aubrey begins to wonder if Shane could be part of God's plan for her despite their painful connection.
His Brother's Atonement is a standalone novel as are the other novels in the Whispers in Wyoming multi-author series.