The Scot only moved to the KC in the summer from Dundee United.
"We will have to protect him over the next couple of years I would have thought, but certainly if he keeps improving the way he is then he's got a wonderful future ahead of him.
"But he's the type who wants to do well, he wants to improve, he wants to be a top player. He has got all that drive in him so we will make sure he doesn't get carried away with himself because we have got arguably one of the best young players in the country," said Bruce.
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