You can feed her upright using a form of football hold, it was one position I used to use a lot with DD1. You will need something to put your feet on, a coffee table is good. Set your self up on the couch, support your back, rest your feet on the edge of the coffee table so that your legs are bent. Place a pillow on the side you are feeding on beside your leg, rest bubs on the pillow upright and attach. You will need to start off supporting her head with your hand, but with practice you maybe able to support her with the pillow and leg positioning. Hope it makes sense it has been awhile since I have done it. You could even do it sitting sideways on the couch, you really just need to be able to get in a position with your knees bent.