Dashing hero used urgency to track survivor (6,9)

I believe the answer is:

rescue greyhound

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'track survivor' is the definition.
I know nothing about this answer so I can't judge whether this works.

'dashing hero used urgency' is the wordplay.
'dashing' is an anagram indicator (dash can mean hit or destroy).
'hero'+'used'+'urgency'='herousedurgency'
'herousedurgency' with letters rearranged gives 'RESCUE GREYHOUND'.

'to' is the link.

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I've seen this clue in the Sydney Morning Herald.

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