Derek McInnes insists he's having to do a balancing act to fight for third place while ensuring the club runs sustainably.The Dons ended their six-match scoreless run in a 1-0 win over struggling Kilmarnock on Saturday afternoon as St Johnstone loanee Callum Hendry netted his first goal for the club.Hendry arrived as a substitute for the injured Fraser Hornby midway inside the first half, nodding home the only goal of the game just moments later.It helped the Pittodrie side keep pace with