The most common and most likely answer to this crossword clue is the 6 letter word DOLLAR
I've seen this crossword clue in The Daily Telegraph
D
O
L
L
A
R
More clues leading to the result DOLLAR
- Model and artist turned up to make a bit of money
- Party lines followed by retired artist with money
- Cash grab – not 100, but 500
- Buck up everyone in staff
- Everyone in the staff rejected foreign money
- Money for puppet given to Arab
- Back staff keeping 100% of the money
- Party with king and everyone coming from east – American’s ready
- Buck model artist up
- In bar, everyone passed back 8 nickels
Buddy explains!

The straight part
We know that "Canadian ready" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case canadian ready = dollar.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DOLLAR mean?
DOLLAR noun- Official designation for currency in some parts of the world, including Canada, the United States, Australia, New Zealand, Hong Kong, and elsewhere. Its symbol is $.
- (by extension) Money generally.
- A quarter of a pound or one crown, historically minted as a coin of approximately the same size and composition as a then-contemporary dollar coin of the United States, and worth slightly more.
- Imported from the United States, and paid for in U.S. dollars. (Note: distinguish "dollar wheat", North American farmers' slogan, meaning a market price of one dollar per bushel.)