Kind scion used to be a writer (9)

I believe the answer is:

dickinson

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'be a writer' is the definition.
The definition suggests a singular noun which matches the answer.

'kind scion used' is the wordplay.
'used' indicates an anagram.
'kind'+'scion'='kindscion'
'kindscion' is an anagram of 'DICKINSON'.

'to' is the link.

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(Another definition for dickinson that I've seen is " Emily ---, US poet".)

I've seen this clue in The Daily Express.

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