Former rideshare worker is full of beans (9)

I believe the answer is:

exuberant

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'full of beans' is the definition.
(I've seen this before)

'former rideshare worker' is the wordplay.
'former' becomes 'ex' (prefix meaning former or onetime).
'rideshare' becomes 'uber' (I can't justify this - if you can you should give a lot more credence to this answer).
'worker' becomes 'ant' (worker is a type of ant).
'ex'+'uber'+'ant'='EXUBERANT'

'is' is the link.

Can you help me to learn more?

(Other definitions for exuberant that I've seen before include "Elated" , "Enthusiastic" , "Full of high spirits, very lively" , "Lively, cheerful" , "full of glee" .)

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

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