Hello @ZILLNIAZI17 .
There was a new feature added to SU 9 regarding steering, which has to be bound.
See:
https://forums.flightsimulator.com/t/f-a-18-super-hornet-cannot-be-steered-on-ground/513243
This will probably resolve your issue.
If this does not resolve your issue, let a moderator know,
otherwise this topic will close in 24 hours.
Thank you for your understanding.