Dallas netted a double as the Ibrox side beat Falkirk 3-1 on Monday to clinch the title on goal difference from Celtic, with Hibernian finishing in third spot.
SPFL Reserve League top scorers
14 Andrew Dallas (Rangers)
11 Jamie Gullan (Hibernian)
10 Jack Aitchison (Celtic)
9 Lewis McCann (Dunfermline Athletic)
9 James Scott (Motherwell)
8 Glenn Middleton (Rangers)