SDCL § 56-3-11: Defense by indemnitor of actions against indemnified--Right of person indemnified to conduct defense.

Unless a contrary intention appears, the person indemnifying is bound, on request of the person indemnified, to defend actions or proceedings brought against the latter in respect to the matters embraced by the indemnity; but the person indemnified has the right to conduct such defenses, if he chooses to do so.