Crossword Genius

Like a good dog in spring, I daren't go barking (4-7)

Ross

I believe the answer is:

well-trained

'like a good dog' is the definition.

'spring i daren't go barking' is the wordplay.
'spring' becomes 'well' (I've seen this before).
'go barking' indicates an anagram (barking can informally mean mad).
'i'+'darent'='idarent'
'idarent' is an anagram of 'trained'.
'well'+'trained'='WELL-TRAINED'

'in' is the link.

I've seen this clue in The Guardian.
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