Gruff Garrett - The Old Lawdog - The Final Reckoning. Gruff Garrett Series, #7

Now it has finally come to this. Paolo Dixon has convinced his trail partners, Gruff Garrett and Alisa Pemberton that his old gang is out to get his daughter. He remembers telling his gang about his estranged daughter Sally, a daughter he never thought he had, until recently. Dixon's gang is out to get Dixon over some money he stole from them. The gang never caught Dixon nor got the money back. But in an unusually vivid nightmare, Dixon sees Claudio Henderson telling him that he and his gang will target Dixon's daughter for the money.
Henderson is the gang's new leader, the one that took over after Dixon stole their money.