Hes young,but now that its done it looks like you need some help
At 5 weeks old he should be eating on his own,but he wont want dry kibble yet so soak it in water,chiken broth or formula for about 20 minutes before you give it to him.(I had to wean a pup myself in september and this worked for me)
Also,make sure he eats at last every 4 hours even if you have to hand feed him at first,he is still very small and you will want to keep his sugar levels up.He doesnt have to eat ALOT,but he does need to eat REGULARLY
Keep him warm and DONT take him outside or let him be in contact with other dogs until he has his shots
I hope all goes well
He is deffinately a cutie pie!!!