The most common and most likely answer to this crossword clue is the 4 plus 5 letter word ROAD SENSE
I've seen this crossword clue in Independent
R
O
A
D
S
E
N
S
E
Buddy explains!
The straight part
We know that "in a way it’s best practice" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case in a way it’s best practice = road sense.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.