Realistic looking PBR For a Camel

hello every one;
I am new to this Blender Artist Community and i was amazed when i saw so many people Discussing a lot things about CG and Blender because from where i belong i don’t have any one around me to discuss.
But here i feel like my wish has come true.
i started sculpturing in blender 2 months ago and it is my 2nd sculpture.
i am going to use it in a small game so the detail i put in is enough foe me. here are the clay renders


i there any one who can help me to do realistic PBR Texturing for this Model. I am using Substance Painter to archive that but still trying.