J.K.
It sounds like she might be teething. That would affect BF-ing and eating in general.
She should be able to handle eating crackers that melt from saliva like Ritz and graham crackers; also fruit breads (like Zucchini) and muffins. Gerber Puffs are awesome too! Also pea sized cooked carrots, soft peaches, cooked pears, cooked apples.
My 12 month old is having a hard time with feeding and the sippy cup. He likes the crackers and Stage 3 foods, but forgets to swallow with other foods and ends up choking and throwing up. He only has 3 top teeth. My other son was eating table foods at 7 months - it's amazing how different they can be!