Play Ukulele Now: Ukulele Chords and How to Use Them: Dominant 9 Chords
Guitar, Bass or Ukulele Shapes of the Chord G Dominant 9th with F in bass: Chord Farm
G9\A Ukulele Chord | G dominant ninth inverted on A
Ukulele Chord G9 - ukulelespace.com
G9 Ukulele Chord (Position #3)
Uncle Ukulele Fez-ter on Twitter: "Yes, on a uke the 7b9sus shape is the same as any 9 shape, but down a 3rd (or up a 6th). So E7b9sus=G9, A7b9sus=C9, D7b9sus=F9, etc.