Await the Wind — Rochelle Wayne

FROM A ROUGH-AND-TUMBLE WYOMING RANCH ...
Many years ago, her mother died at the hands of the savage Sioux. Now, mystery surrounding her sister's death draws Maralee Ryan to the Dakotas. There, she finds herself drawing closer to a man with vengeance in his heart and blood on his hands ... a man who will lead her into mortal danger--and toward her heart's most cherished desire.

... TO A ONCE-GREAT RESERVATION IN THE DAKOTA TERRITORY
A man of many secrets, Chad Logan's dark hair and bronzed, muscled body proudly proclaim his Sioux heritage. Accused of a crime he didn't commit, he long ago paid his debt to society, yet some still wish him dead. Now, as rumors of a Sioux uprising rumble through the Dakotas, Chad rides into the eye of the storm with a headstrong, golden-haired beauty at his side. The woman who unlocks his deepest desires, Maralee alone can transform the pain of the past into a passion that defies fate ... and a love that holds all the promise of a thousand tomorrows ...