1999 Dodge Ram 99 Dodge Ram

I went low on gas, I apparently thought I just had about half a tank in the gas tank but maybe I saw wrong. However, now my truck is empty and my truck won't start. I put about 7 gallons of gas in it because the gas light was on. Didn't change truck still won't start. But gas light turned off. Now the ABS light is on. I might have cranked the truck to many times, maybe thats why it won't start. I also put fuel and carbourater injection flued in it. Still not working however it still turns on. What do I do?