With no right back available it looks like a 3 at the back so would go with.
Wildsmith
Nelson. Bradley. Cashin
Fornah.
Wilson Bird. Hourihane Forsyth
Sibley
Collins
Subs Vickers Elder Thompson Ward NML Barkhuizen TJJ
Or with Nelson at right back go with
Wildsmith
Nelson. Forsyth. Cashin. Elder
Ward. Bird. Fornah. NML
Barkhuizen. Collins